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package presentation.controller.servlet;

import presentation.controller.servlet.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import data.DAO.PostDAO;
import model.entity.Post;

/**
 *
 * @author ninkuhack: liệt kê các kết quả với từ khóa tìm kiếm dựa theo tên món ăn, địa chỉ, ... (từ khóa dùng chung cho các trường tìm kiếm)
 * Hùng thực hiện
 */
@WebServlet(name = "SearchServlet", urlPatterns = {"/SearchServlet"})
public class SearchServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        List<Post> result = searchRequest(request, response);
        request.setAttribute("result", result);
        request.getRequestDispatcher("normalpage.jsp").forward(request, response);
    }
    
    private List<Post> searchRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException{
        List<Post> result = new ArrayList<>();
        String strSearch = request.getParameter("s");
        strSearch = strSearch.toLowerCase();
        PostDAO postDAO = new PostDAO();
        List<Post> list = postDAO.getAllPost();
        for(Post obj:list){
            String strPost = obj.getPost_id() + " " + obj.getTitle() +" "+ obj.getContent() +" "+ obj.getAddress() + " " + obj.getCity() + " " + obj.getVote() + " "+ obj.getPrice() + " "+ obj.getUser_id() + " " + obj.getStatus();
            strPost = strPost.toLowerCase();
            
            if(strPost.indexOf(strSearch) != -1){
                result.add(obj);
            }
        }
        return result;
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
